BE884513A1 - - Google Patents

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Publication number
BE884513A1
BE884513A1 BE 884513 A1 BE884513 A1 BE 884513A1
Authority
BE
Grant status
Grant
Patent type
Application number

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Also Published As

Publication number Publication date Type
FR2462447B1 (en) 1985-11-15 grant
DE3028759C2 (en) 1987-07-16 grant
BE884513A (en) 1980-11-17 grant
JPS5624409A (en) 1981-03-09 application
DE3028759A1 (en) 1981-02-05 application
FR2462447A1 (en) 1981-02-13 application
GB2055859A (en) 1981-03-11 application
CA1137965A1 (en) grant
CA1137965A (en) 1982-12-21 grant
JPS6118921B2 (en) 1986-05-15 grant
GB2055859B (en) 1983-07-06 grant
US4263171A (en) 1981-04-21 grant